protected void save_Click(object sender, EventArgs e) { if (Request.QueryString["uId"] != null) { string[] Code = courseList.SelectedValue.Split(','); enrollmentsObj.AddEnrollment(Request.QueryString["uId"], Code[0]); Response.Redirect("~/Admin/Enrollments.aspx?uId=" + Request.QueryString["uId"]); } else { string[] RFID = userList.SelectedValue.Split(','); enrollmentsObj.AddEnrollment(RFID[0], Request.QueryString["cId"]); Response.Redirect("~/Admin/Enrollments.aspx?cId=" + Request.QueryString["cId"]); } }